Chest Binder with 1-5% Elastic Front and X-Shaped Back
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Solution Overview
Problem
Conventional chest binders lack elasticity in the front part, leading to chest tightness, discomfort, and pain during breathing, potentially causing long-term body harm, including back, abdomen, and shoulder pain, muscle atrophy, posture changes, bone deformation, and health issues due to excessive pressure on breast tissue and lymphoid and blood circulation systems.
Innovation Solution
A chest binder design featuring a front part with 1-5% elastic fabric elongation and a back part with an X-shaped structure and adjustable straps, providing balanced pressure and comfort by forming an integrated structure with varying fabric layers and moisture-conducting materials to prevent breast sagging and discomfort during movement.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Force
If the front part of the chest binder is made non-elastic to provide compression, then the compression effect is improved, but the comfort and breathing ease deteriorate
Solution Approach 1:
The patent applies different elasticity characteristics to different parts of the chest binder. The front part uses elastic fabric with 1-5% elongation to provide gentle compression while allowing breathing movement, whereas conventional binders use non-elastic material throughout. This local differentiation resolves the contradiction by providing compression where needed while maintaining breathing comfort in the front region.
Solution Approach 2:
The patent changes the key parameter of fabric elasticity in the front part from 0% (non-elastic) to 1-5% elongation. This parameter change allows the material to provide compression force while simultaneously accommodating chest expansion during breathing, thus resolving the contradiction between compression effect and breathing ease.
2Ease of operation
If the front part uses high-elasticity fabric to improve comfort, then the breathing comfort is improved, but the compression and breast-lifting effect deteriorates
Solution Approach 1:
The patent precisely controls the elasticity parameter of the front fabric within 1-5% elongation, which is significantly lower than high-elasticity fabrics (typically 50-100%+). This controlled parameter change ensures the fabric provides minimal stretch for comfort while maintaining sufficient compression and breast-lifting force, resolving the contradiction between comfort and compression effect.
Solution Approach 2:
The patent differentiates the elasticity characteristics between the front part (1-5% elongation) and back part (greater elasticity) of the binder. This local quality differentiation allows the front part to provide adequate compression and lifting while the back part accommodates movement and breathing, thus resolving the contradiction between compression effect and breathing comfort.
3Ease of operation
If the back piece uses high-elasticity fabric to accommodate movement, then the comfort during movement is improved, but the breast-lifting capability deteriorates
Solution Approach 1:
The patent applies high-elasticity fabric specifically to the back piece while using low-elasticity fabric (1-5% elongation) in the front piece. This local quality differentiation allows the back piece to accommodate movement and breathing without compromising the breast-lifting capability provided by the rigid front structure, thus resolving the contradiction between movement comfort and lifting capability.
Solution Approach 2:
The patent divides the binder into functionally distinct segments: the front piece for compression and lifting (low elasticity) and the back piece for movement accommodation (high elasticity). This segmentation allows each part to optimize its specific function without interfering with the other, resolving the contradiction between movement comfort and lifting capability.
4Force
If conventional non-elastic binders are used to provide compression, then the compression effect is improved, but the harmful effects on health and posture worsen
Solution Approach 1:
The patent changes the compression parameter from high-force non-elastic compression to low-force elastic compression (1-5% elongation). This parameter change reduces the harmful effects on breast tissue, lymphoid system, and blood circulation while maintaining the necessary compression and lifting effects, thus resolving the contradiction between compression effect and health safety.
Solution Approach 2:
The patent applies elastic fabric with controlled elongation (1-5%) in the front part to provide gentle, distributed compression that avoids excessive localized pressure. This local quality change reduces harmful effects on health and posture while maintaining effective compression and lifting, resolving the contradiction between compression effect and health harm.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The chest binder effectively lifts and stabilizes the breast, reducing vibration and sagging, while ensuring comfortable long-term wear by matching chest expansion rates, minimizing pressure on the chest and back, thus preventing pain and health issues associated with conventional binders.
Implementation Method 1
The front piece and the back piece of the chest binder both comprise elastic fabric, and a percent elongation of the back piece is greater than that of the front piece
Implementation Method 2
one layer of the composite layer intended to contact a skin of the wearer is a single sided moisture conducting fabric
Data Source
AI summary
A chest binder includes a front part and a back part. The front part includes a front piece including at least one layer of elastic fabric, and a percent elongation of the elastic fabric is between 1% and 5%. The back part includes an X-shaped back piece and a tightenable piece connected to the lower end of the back piece. The back piece includes an inner layer and a surface layer attached to the inner layer to form an integrated structure. The inner layer includes a left back strap and a right back strap. The tightenable piece is connected to the left back strap and the right back strap, and two sides of the tightenable piece are connected to two sides of the front piece, respectively. The front piece includes a left front strap and a right front strap.